微信小游戏按钮和cocos位置对应

参考 Cocos Creator之微信小游戏的游戏圈

https://www.jianshu.com/p/0496f2d06d83

let pos = GameUtil.convertNodeSpaceAR(this.area5.parent, cc.find('Canvas'), this.area5.getPosition())
        
        let windowSize = cc.view.getVisibleSize()
        console.log('cc.view.getVisibleSize()', cc.view.getVisibleSize().toString())


        let leftRatio = pos.x / windowSize.width;

        let topRatio = (windowSize.height - pos.y) / windowSize.height;

        let sysInfo = cc.getSystemInfoSync();

        console.log('sysInfo', sysInfo)
        console.log('sysInfo.windowWidth', sysInfo.windowWidth)
        console.log('sysInfo.windowHeight', sysInfo.windowHeight)

        let leftPos = sysInfo.windowWidth * leftRatio
        let topPos = sysInfo.windowHeight * topRatio